I just love. It's easy to use and share
TheLetterEncrypter - TheLetterEncrypter is a small (14KB download) AES-based text-encryption program.
OnlineNotepad.org - Free browser-based text editor
CTI Text Encryption - CTI Text Encryption is an encryption tool that can encrypt any text from messages and articles to codes, etc.
Shrib - Take notes online. 'Free and no login' or 'AI assistant, visitor stats, privacy and productivity': super simple, with publishing and markdown, share to all devices.
GNUPGK - A GnuPG Frontend GUI made in C#.
notepad.pw - notepad.pw is a online notepad which allows you to save your text in the cloud with features like